accuracy of the software helped a lot with laylines from long range, as we knew the compass angle the tide was coming from and the angle we’d be sailing on the other tack. If the flow was adverse a small deviation either side of our bow would make a big difference. It gave us a lot of confidence, armed with that knowledge. It enabled us to focus on speed and fleet management.’
America’s Cup. ‘I have used Race Area Analyser in the Solent for a number of years. I have also used it in La Rochelle. During long days on the Solent I will often validate the information by doing physical current checks, particularly during the tide-change periods. I am very impressed with the accuracy of the tidal information. ‘I like that Race Area Analyser
reflects the characteristics of Olympic boat classes. You can plug in the polars for a Laser Radial and the system will draw in wind forecasts and tidal data and crunch the best course for a Radial. You can even analyse the differences between going left, right or tacking with the shifts up the middle. Buell says: ‘SailTokyo enables
you to create models of currents and wind from your measured data. It also offers various wind patterns and current models for education. Teams can collect, store and share their data in their own cloud. Plus SailTokyo offers interfaces to all common measurement systems for currents or wind and integrates your existing data.’ A team licence for SailTokyo is
subject to an annual fee that covers all devices they use. While the base package is extremely powerful in its own right, Buell Software offer additional services to customise the software. This way teams can boost the value and differentiate from others. Buell Software have a number of
products that have proved popular with the keelboat community, such as their Solent tidal analysis tool which integrates the polars of a number of popular racing classes. One sailor who has become a firm convert is Andrew ‘Dog’ Palfrey, the much sought-after coach who has worked with many top-flight teams including Artemis Racing in the
Using detailed data on wind and currents that can be validated by coaches out on the water, combined with the polars of a class of boat, SailTokyo allows detailed analysis of different tactical and strategic options. This is of high value for preparation as well as post-race analysis. This (top) is the recorded comparison of different tactical solutions for two Lasers while training out of the 2020 Olympic Regatta venue in Enoshima
helps to keep things simple for racing sailors. The routeing feature gives a gain/loss time delta. This helps in deciding if the current is going to be key on a given leg, or if we can largely discount the current when making strategic decisions. ‘Having come to rely somewhat
on the accuracy of Buell’s Race Area Analyser in my adopted home of Cowes, I asked Yvette about a solution for the Etchells Worlds held on San Francisco Bay last year. They did not have a ready-made product, but offered the SailTokyo solution with a chart of SF Bay and all the functionality for me to set up courses and import a third-party GRIB current file (which we easily accessed from TideTech). ‘Buell did a great job in preparing
and delivering the software with a set of easy-to-follow instructions. SailTokyo proved to be a very important aid during our campaign. Early in our trip, during the pre-worlds and training, we validated the readings. They were very accurate, which gave us confidence that the output of the routeings would also be accurate. We were not disappointed. ‘A lot of the time the routeing
result indicated very little advantage from one side of the course. We would call that “open course”, which meant we could focus on making strategic decisions on wind strategy, startline bias and fleet management. But even when there was not a favoured side, there was still a lot of flow. In this way the
SAILTOKYO SailTokyo is a comprehensive software tool based on three pillars: 1. Racing Preparation l Check conditions (wind and currents) any time before your race. l Analyse fastest routes (via unique routeing algorithm, Dynamic Grid Routing*) l Display fastest route in minute steps l Gain tactical advice from advanced routeing analysis l Debriefing l Compare real tracks with analysis 2. Venue analysis Currents Receive an overview of currents on the racecourse by three options: l Complete charts of tidal currents (available for specific venues) l Import GRIB data l Charts of currents from data measured by team (can be created within minutes) Wind Receive an overview of wind situation on racecourse: l Import GRIB wind data l Create fields of wind from data measured by team (within minutes) 3. Education Improve the development of young talented sailors by: l Teaching best performance in currents with several samples l Teaching best performance in wind shifts or oscillating wind with wind patterns l Training the importance of currents and wind with real data l Comparing up to four settings directly (eg same boat class in different conditions)
* Most routeing software is based on isochronic routeing. This works well for long-distance racing but for shorter distances something more accurate is needed. Buell Software’s unique routeing algorithm reflects the characteristics of Olympic and inshore races, enabling highly accurate calculation of best courses even over short distances such as on an Olympic class windward-leeward course.
buell-software.com
q SEAHORSE 73
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